#include "ImportIndexWidget.h"

#include <common/ProjectManager.h>
#include <dbService/ClassSet.h>
#include <dbService/CNodeDataService.h>

#include <Widgets/Button.h>
#include <QLabel>
#include <QListWidget>
#include <QBoxLayout>

#include <QDebug>

ImportIndexWidget::ImportIndexWidget(QWidget *parent) : QDialog(parent)
{
    initWindow();
    initWidgets();
    initLayout();
    connectSignalsAndSlots();
    loadIndex();
}

void ImportIndexWidget::initWindow()
{
    setWindowTitle("导入指标体系");
    //    setWindowFlags(Qt::Window);
    //    setWindowFlag(Qt::WindowMinMaxButtonsHint, false);

    setModal(true);
    setWindowFlags(Qt::Dialog);
    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
    setFixedSize(400, 600);
}

void ImportIndexWidget::initWidgets()
{
    m_title = new QLabel("选择已有项目的指标体系");
    m_tips  = new QLabel("未找到指标体系！\n请重新创建");
    m_tips->setHidden(true);
    m_listWidget = new QListWidget();
    m_listWidget->setMinimumHeight(450);
    m_listWidget->setHidden(true);
    m_confirm = new PushButton("导入");
    m_cancel  = new PushButton("取消");
}

void ImportIndexWidget::initLayout()
{
    m_layout = new QVBoxLayout(this);
    m_layout->setMargin(20);
    m_layout->setAlignment(Qt::AlignTop);
    m_layout->addWidget(m_title);
    m_layout->addSpacing(10);
    m_layout->addWidget(m_tips);
    m_layout->addWidget(m_listWidget);
    m_layout->addSpacing(10);
    m_layout->addStretch();

    m_buttonLayout = new QHBoxLayout();
    m_layout->addLayout(m_buttonLayout);

    m_buttonLayout->addStretch();
    m_buttonLayout->addWidget(m_confirm);
    m_buttonLayout->addSpacing(10);
    m_buttonLayout->addWidget(m_cancel);
}

void ImportIndexWidget::connectSignalsAndSlots()
{
    connect(m_confirm, &PushButton::clicked, this, &ImportIndexWidget::slotConfirm);
    connect(m_cancel, &PushButton::clicked, this, &ImportIndexWidget::slotCancel);
    connect(m_listWidget, &QListWidget::itemSelectionChanged, this, &ImportIndexWidget::slotCurrentChanged);
}

void ImportIndexWidget::showEvent(QShowEvent *)
{
    loadIndex();
}

void ImportIndexWidget::loadIndex()
{
    QList<ProjectInfo *> list;
    bool ret     = ProjectManager::queryProjects(&list);
    bool hasProj = ret && list.size() > 0;
    m_tips->setHidden(hasProj);
    m_listWidget->setHidden(!hasProj);

    m_indexSysList.clear();
    for (ProjectInfo *proj : list) {
        QList<ProjectManager::IndexType> indexList = ProjectManager::indexList(*proj);
        for (ProjectManager::IndexType i : indexList) {
            QList<CNodeData> nodeList;
            bool indexRet = CNodeDataService().QueryAll(nodeList, proj->id, i);
            if (indexRet && nodeList.size() > 0) {
                IndexSystemInfo info = IndexSystemInfo { proj->id, i, proj->projectName };
                m_indexSysList.append(info);
            }
        }
    }

    showIndex();
}

void ImportIndexWidget::showIndex()
{
    m_listWidget->clear();
    m_confirm->setEnabled(false);
    for (IndexSystemInfo info : m_indexSysList) {
        QListWidgetItem *item = new QListWidgetItem();
        QString indexName     = ProjectManager::nameOfIndexType((ProjectManager::IndexType)info.indexType);
        item->setText(info.projName + "-" + indexName);
        m_listWidget->addItem(item);
    }
}

void ImportIndexWidget::slotConfirm()
{
    IndexSystemInfo info = m_indexSysList[m_listWidget->currentRow()];
    emit sigImport(info.projId, info.indexType);
}

void ImportIndexWidget::slotCancel()
{
    close();
}

void ImportIndexWidget::slotCurrentChanged()
{
    m_confirm->setEnabled(m_indexSysList.size() > 0 && m_listWidget->selectedItems().size() >= 0);
}